表面势垒

SnO2表面势垒与温度、氧分压的关系

The relation of sno_2 surface potential barrier with temperature and the oxygen partial pressure

根据化学平衡原理和反应动力学理论，建立了SnO2表面势垒的温度分区模型。

Based on the principle of chemical equilibrium and the theory of reaction dynamics , a temperature district model about SnO_2 surface potential barrier has been put forward .

还原性气体对SnO2表面势垒的影响

The Effect of Reducing Gases on Surface Potential of SnO_2

高分辨网栅型Au-Si表面势垒探测器的制备和性能

Fabrication and characteristic of high resolution mesh type Au-Si surface barrier detector

被污染Au-Si表面势垒探测器性能的恢复方法

Recovery of performance of Au-Si surface barrier detector contaminated

FN曲线表明：电子是通过隧道效应克服BN薄膜表面势垒发射到真空的。

It is shown that electrons ( are emitted ) from BN to vacuum tunneling through the potential barrier at the surface of the BN thin film by using ( F-N ) curves .

对阴极高、低温激活后的NEA表面势垒参数进行了评估，揭示了高&低温两步激活过程中阴极表面势垒的变化特点。

The parameters of NEA surface potential barrier after high-low temperature two-step activation were evaluated , respectively , and the change regularity of the surface potential barriers was discovered .

F~N曲线表明，在外加电场的作用下，电子隧穿BN薄膜表面势垒发射到真空。

It has been shown that electrons are emitted from BN thin film to vacuum tunneling through the potential barrier at the ( surface ) of BN thin film under exterior electric field by Fowler-Nordheim ( F ~ N ) plots .

得到了反射式NEAGaN光电阴极量子效率的衰减现象与有效偶极子数量减小之间的关系以及量子效率曲线的衰减特点与表面势垒形状改变之间的关系。

The relation of the quantum efficiency decay of reflection-mode NEA GaN photocathode and the reduction of effective dipole quantity was gotten , and the relation of the decay characteristic of quantum efficiency curves and the change of surface barrier shape was also gotten .

表面势垒层厚度对量子阱束缚电子态的影响

Effects of Surface Barrier 's Thickness on Electronic States in Quantum Wells

电象力对表面势垒的影响

The Effect of Image Force on Surface Barrier

关于金属表面势垒和逸出功的问题

Concerning Metal Surface Barrier and Work Function

高、低温激活后阴极表面势垒因子分别为3.53和1.36。

Photocathode surface potential barrier factors after high - and low-temperature activation process are 3.53 and 1.36 respectively .

实验结果与纯铜和纯铍的渗透率相比较，并按照氧化铍的表面势垒作用对渗透行为的影响进行了讨论。

The experimental results were compared with the permeation rate of pure Cu and Be , a discussion on the function of the surface barrier was also made .

氧在金属及其氧化物中的表面及扩散势垒的计算

Calculations of the surface and diffusion barriers for oxygen penetration on metals and their oxides

本文主要研究内容有：（1）研究了拓扑绝缘体表面上双势垒外加磁场对狄拉克电子输运特性的影响。

The following are the main contents and results : ( 1 ) The transport properties in double barriers with a magnetic field on the surface of a topological insulator are investigated .

测量在半导体表面形成的肖特基势垒的C～V关系，并对测量结果进行模拟运算，最后用X-Y记录仪描绘杂质分布曲线。

Measuring C-V relationship of a Schottky barrier formed on the surface of a semiconductor and analogously computing the measured results , the impurity profile was recorded on the X-Y plotter .

讨论了制备工艺中表面纯化和老化对表面势垒探测器性能的影响，同时研究了欧姆接触制备工艺和所选用来制备欧姆接触的材料如Ni-Ge-Au，In-Ge-Ag等对探测器性能的影响。

Finally , the influence of the fabrication technology of ohmic contacts and selected materials , such as Ni-Ge-Au and In-Ge-Ag , on the performance of the detectors is also studied .

发现在不同真空度下，其表面能级ES（或表面势垒高度ψBP）和单位能量间隔的表面态密度DS等参数以及常温温区下的光伏值可有明显的差异。

It is found that under various vacuity there can be distinct difference of the parameters of surface energy level Es ( Or surface barrier height ? Bp ) and surface state density in per unit energy etc. and the photovoltaic values at room temperature region .

而这种表面偏析可能会对氢渗透起到表面势垒的作用。

This kind of chemisorption-in - duced segregation may play the role of surface barrier on hydrogen permeation .